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Formula: (Au,Ag)4Cu(Te,Pb)
Telluride, gold-,
silver-, copper- and
lead- bearing mineral
Crystal System: Orthorhombic
Specific gravity: 16.3 calculated
Hardness: 4½
Colour: Yellow
Common impurities: Ag,Fe
Environments
Volcanic igneous environments
Hydrothermal environments
Localities
At the type locality, the Aginskoe Au deposit, Central Kamchatka mining district, Bystrinsky District, Kamchatka Krai,
Russia, bezsmertnovite occurs in volcanogenic gold
telluride deposits in zones of cementation, associated with
bilibinskite, rarely as rims around grains of
gold. The bezsmertnovite is found as elongated platy or irregular grains
up to 0.2 x 0.05 mm in size. In reflected light it resembles gold, being very
bright orange yellow in colour
(AM 66.878-879).
Associated minerals include bilibinskite,
bogdanovite, native gold and
tellurides of Cu, Fe and Pb
(HOM).
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